chore (3d): refactor 3d viewer

config/mime.json

@@ -39,6 +39,8 @@
 	"dotm": "application/vnd.ms-word.template.macroEnabled.12",
 	"dpkg": "application/dpkg-www-installer",
 	"ds_store": "application/octet-stream",
+	"dxf": "application/dxf",
+	"dwg": "application/acad",
 	"ear": "application/java-archive",
 	"eot": "application/vnd.ms-fontobject",
 	"eps": "application/postscript",

public/assets/lib/vendor/three/FontLoader.js

@@ -0,0 +1,184 @@
+// @ts-nocheck
+import {
+	FileLoader,
+	Loader,
+	ShapePath
+} from './three.module.js';
+
+class FontLoader extends Loader {
+
+	constructor( manager ) {
+
+		super( manager );
+
+	}
+
+	load( url, onLoad, onProgress, onError ) {
+
+		const scope = this;
+
+		const loader = new FileLoader( this.manager );
+		loader.setPath( this.path );
+		loader.setRequestHeader( this.requestHeader );
+		loader.setWithCredentials( this.withCredentials );
+		loader.load( url, function ( text ) {
+
+			const font = scope.parse( JSON.parse( text ) );
+
+			if ( onLoad ) onLoad( font );
+
+		}, onProgress, onError );
+
+	}
+
+	parse( json ) {
+
+		return new Font( json );
+
+	}
+
+}
+
+//
+
+class Font {
+
+	constructor( data ) {
+
+		this.isFont = true;
+
+		this.type = 'Font';
+
+		this.data = data;
+
+	}
+
+	generateShapes( text, size = 100 ) {
+
+		const shapes = [];
+		const paths = createPaths( text, size, this.data );
+
+		for ( let p = 0, pl = paths.length; p < pl; p ++ ) {
+
+			shapes.push( ...paths[ p ].toShapes() );
+
+		}
+
+		return shapes;
+
+	}
+
+}
+
+function createPaths( text, size, data ) {
+
+	const chars = Array.from( text );
+	const scale = size / data.resolution;
+	const line_height = ( data.boundingBox.yMax - data.boundingBox.yMin + data.underlineThickness ) * scale;
+
+	const paths = [];
+
+	let offsetX = 0, offsetY = 0;
+
+	for ( let i = 0; i < chars.length; i ++ ) {
+
+		const char = chars[ i ];
+
+		if ( char === '\n' ) {
+
+			offsetX = 0;
+			offsetY -= line_height;
+
+		} else {
+
+			const ret = createPath( char, scale, offsetX, offsetY, data );
+			offsetX += ret.offsetX;
+			paths.push( ret.path );
+
+		}
+
+	}
+
+	return paths;
+
+}
+
+function createPath( char, scale, offsetX, offsetY, data ) {
+
+	const glyph = data.glyphs[ char ] || data.glyphs[ '?' ];
+
+	if ( ! glyph ) {
+
+		console.error( 'THREE.Font: character "' + char + '" does not exists in font family ' + data.familyName + '.' );
+
+		return;
+
+	}
+
+	const path = new ShapePath();
+
+	let x, y, cpx, cpy, cpx1, cpy1, cpx2, cpy2;
+
+	if ( glyph.o ) {
+
+		const outline = glyph._cachedOutline || ( glyph._cachedOutline = glyph.o.split( ' ' ) );
+
+		for ( let i = 0, l = outline.length; i < l; ) {
+
+			const action = outline[ i ++ ];
+
+			switch ( action ) {
+
+				case 'm': // moveTo
+
+					x = outline[ i ++ ] * scale + offsetX;
+					y = outline[ i ++ ] * scale + offsetY;
+
+					path.moveTo( x, y );
+
+					break;
+
+				case 'l': // lineTo
+
+					x = outline[ i ++ ] * scale + offsetX;
+					y = outline[ i ++ ] * scale + offsetY;
+
+					path.lineTo( x, y );
+
+					break;
+
+				case 'q': // quadraticCurveTo
+
+					cpx = outline[ i ++ ] * scale + offsetX;
+					cpy = outline[ i ++ ] * scale + offsetY;
+					cpx1 = outline[ i ++ ] * scale + offsetX;
+					cpy1 = outline[ i ++ ] * scale + offsetY;
+
+					path.quadraticCurveTo( cpx1, cpy1, cpx, cpy );
+
+					break;
+
+				case 'b': // bezierCurveTo
+
+					cpx = outline[ i ++ ] * scale + offsetX;
+					cpy = outline[ i ++ ] * scale + offsetY;
+					cpx1 = outline[ i ++ ] * scale + offsetX;
+					cpy1 = outline[ i ++ ] * scale + offsetY;
+					cpx2 = outline[ i ++ ] * scale + offsetX;
+					cpy2 = outline[ i ++ ] * scale + offsetY;
+
+					path.bezierCurveTo( cpx1, cpy1, cpx2, cpy2, cpx, cpy );
+
+					break;
+
+			}
+
+		}
+
+	}
+
+	return { offsetX: glyph.ha * scale, path: path };
+
+}
+
+export { FontLoader, Font };

public/assets/lib/vendor/three/Projector.js

@@ -0,0 +1,919 @@
+// @ts-nocheck
+import {
+	Box3,
+	Color,
+	DoubleSide,
+	Frustum,
+	Matrix3,
+	Matrix4,
+	Vector2,
+	Vector3,
+	Vector4
+} from './three.module.js';
+
+class RenderableObject {
+
+	constructor() {
+
+		this.id = 0;
+
+		this.object = null;
+		this.z = 0;
+		this.renderOrder = 0;
+
+	}
+
+}
+
+//
+
+class RenderableFace {
+
+	constructor() {
+
+		this.id = 0;
+
+		this.v1 = new RenderableVertex();
+		this.v2 = new RenderableVertex();
+		this.v3 = new RenderableVertex();
+
+		this.normalModel = new Vector3();
+
+		this.vertexNormalsModel = [ new Vector3(), new Vector3(), new Vector3() ];
+		this.vertexNormalsLength = 0;
+
+		this.color = new Color();
+		this.material = null;
+		this.uvs = [ new Vector2(), new Vector2(), new Vector2() ];
+
+		this.z = 0;
+		this.renderOrder = 0;
+
+	}
+
+}
+
+//
+
+class RenderableVertex {
+
+	constructor() {
+
+		this.position = new Vector3();
+		this.positionWorld = new Vector3();
+		this.positionScreen = new Vector4();
+
+		this.visible = true;
+
+	}
+
+	copy( vertex ) {
+
+		this.positionWorld.copy( vertex.positionWorld );
+		this.positionScreen.copy( vertex.positionScreen );
+
+	}
+
+}
+
+//
+
+class RenderableLine {
+
+	constructor() {
+
+		this.id = 0;
+
+		this.v1 = new RenderableVertex();
+		this.v2 = new RenderableVertex();
+
+		this.vertexColors = [ new Color(), new Color() ];
+		this.material = null;
+
+		this.z = 0;
+		this.renderOrder = 0;
+
+	}
+
+}
+
+//
+
+class RenderableSprite {
+
+	constructor() {
+
+		this.id = 0;
+
+		this.object = null;
+
+		this.x = 0;
+		this.y = 0;
+		this.z = 0;
+
+		this.rotation = 0;
+		this.scale = new Vector2();
+
+		this.material = null;
+		this.renderOrder = 0;
+
+	}
+
+}
+
+//
+
+class Projector {
+
+	constructor() {
+
+		let _object, _objectCount, _objectPoolLength = 0,
+			_vertex, _vertexCount, _vertexPoolLength = 0,
+			_face, _faceCount, _facePoolLength = 0,
+			_line, _lineCount, _linePoolLength = 0,
+			_sprite, _spriteCount, _spritePoolLength = 0,
+			_modelMatrix;
+
+		const
+
+			_renderData = { objects: [], lights: [], elements: [] },
+
+			_vector3 = new Vector3(),
+			_vector4 = new Vector4(),
+
+			_clipBox = new Box3( new Vector3( - 1, - 1, - 1 ), new Vector3( 1, 1, 1 ) ),
+			_boundingBox = new Box3(),
+			_points3 = new Array( 3 ),
+
+			_viewMatrix = new Matrix4(),
+			_viewProjectionMatrix = new Matrix4(),
+
+			_modelViewProjectionMatrix = new Matrix4(),
+
+			_frustum = new Frustum(),
+
+			_objectPool = [], _vertexPool = [], _facePool = [], _linePool = [], _spritePool = [];
+
+		//
+
+		function RenderList() {
+
+			const normals = [];
+			const colors = [];
+			const uvs = [];
+
+			let object = null;
+
+			const normalMatrix = new Matrix3();
+
+			function setObject( value ) {
+
+				object = value;
+
+				normalMatrix.getNormalMatrix( object.matrixWorld );
+
+				normals.length = 0;
+				colors.length = 0;
+				uvs.length = 0;
+
+			}
+
+			function projectVertex( vertex ) {
+
+				const position = vertex.position;
+				const positionWorld = vertex.positionWorld;
+				const positionScreen = vertex.positionScreen;
+
+				positionWorld.copy( position ).applyMatrix4( _modelMatrix );
+				positionScreen.copy( positionWorld ).applyMatrix4( _viewProjectionMatrix );
+
+				const invW = 1 / positionScreen.w;
+
+				positionScreen.x *= invW;
+				positionScreen.y *= invW;
+				positionScreen.z *= invW;
+
+				vertex.visible = positionScreen.x >= - 1 && positionScreen.x <= 1 &&
+						 positionScreen.y >= - 1 && positionScreen.y <= 1 &&
+						 positionScreen.z >= - 1 && positionScreen.z <= 1;
+
+			}
+
+			function pushVertex( x, y, z ) {
+
+				_vertex = getNextVertexInPool();
+				_vertex.position.set( x, y, z );
+
+				projectVertex( _vertex );
+
+			}
+
+			function pushNormal( x, y, z ) {
+
+				normals.push( x, y, z );
+
+			}
+
+			function pushColor( r, g, b ) {
+
+				colors.push( r, g, b );
+
+			}
+
+			function pushUv( x, y ) {
+
+				uvs.push( x, y );
+
+			}
+
+			function checkTriangleVisibility( v1, v2, v3 ) {
+
+				if ( v1.visible === true || v2.visible === true || v3.visible === true ) return true;
+
+				_points3[ 0 ] = v1.positionScreen;
+				_points3[ 1 ] = v2.positionScreen;
+				_points3[ 2 ] = v3.positionScreen;
+
+				return _clipBox.intersectsBox( _boundingBox.setFromPoints( _points3 ) );
+
+			}
+
+			function checkBackfaceCulling( v1, v2, v3 ) {
+
+				return ( ( v3.positionScreen.x - v1.positionScreen.x ) *
+					    ( v2.positionScreen.y - v1.positionScreen.y ) -
+					    ( v3.positionScreen.y - v1.positionScreen.y ) *
+					    ( v2.positionScreen.x - v1.positionScreen.x ) ) < 0;
+
+			}
+
+			function pushLine( a, b ) {
+
+				const v1 = _vertexPool[ a ];
+				const v2 = _vertexPool[ b ];
+
+				// Clip
+
+				v1.positionScreen.copy( v1.position ).applyMatrix4( _modelViewProjectionMatrix );
+				v2.positionScreen.copy( v2.position ).applyMatrix4( _modelViewProjectionMatrix );
+
+				if ( clipLine( v1.positionScreen, v2.positionScreen ) === true ) {
+
+					// Perform the perspective divide
+					v1.positionScreen.multiplyScalar( 1 / v1.positionScreen.w );
+					v2.positionScreen.multiplyScalar( 1 / v2.positionScreen.w );
+
+					_line = getNextLineInPool();
+					_line.id = object.id;
+					_line.v1.copy( v1 );
+					_line.v2.copy( v2 );
+					_line.z = Math.max( v1.positionScreen.z, v2.positionScreen.z );
+					_line.renderOrder = object.renderOrder;
+
+					_line.material = object.material;
+
+					if ( object.material.vertexColors ) {
+
+						_line.vertexColors[ 0 ].fromArray( colors, a * 3 );
+						_line.vertexColors[ 1 ].fromArray( colors, b * 3 );
+
+					}
+
+					_renderData.elements.push( _line );
+
+				}
+
+			}
+
+			function pushTriangle( a, b, c, material ) {
+
+				const v1 = _vertexPool[ a ];
+				const v2 = _vertexPool[ b ];
+				const v3 = _vertexPool[ c ];
+
+				if ( checkTriangleVisibility( v1, v2, v3 ) === false ) return;
+
+				if ( material.side === DoubleSide || checkBackfaceCulling( v1, v2, v3 ) === true ) {
+
+					_face = getNextFaceInPool();
+
+					_face.id = object.id;
+					_face.v1.copy( v1 );
+					_face.v2.copy( v2 );
+					_face.v3.copy( v3 );
+					_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
+					_face.renderOrder = object.renderOrder;
+
+					// face normal
+					_vector3.subVectors( v3.position, v2.position );
+					_vector4.subVectors( v1.position, v2.position );
+					_vector3.cross( _vector4 );
+					_face.normalModel.copy( _vector3 );
+					_face.normalModel.applyMatrix3( normalMatrix ).normalize();
+
+					for ( let i = 0; i < 3; i ++ ) {
+
+						const normal = _face.vertexNormalsModel[ i ];
+						normal.fromArray( normals, arguments[ i ] * 3 );
+						normal.applyMatrix3( normalMatrix ).normalize();
+
+						const uv = _face.uvs[ i ];
+						uv.fromArray( uvs, arguments[ i ] * 2 );
+
+					}
+
+					_face.vertexNormalsLength = 3;
+
+					_face.material = material;
+
+					if ( material.vertexColors ) {
+
+						_face.color.fromArray( colors, a * 3 );
+
+					}
+
+					_renderData.elements.push( _face );
+
+				}
+
+			}
+
+			return {
+				setObject: setObject,
+				projectVertex: projectVertex,
+				checkTriangleVisibility: checkTriangleVisibility,
+				checkBackfaceCulling: checkBackfaceCulling,
+				pushVertex: pushVertex,
+				pushNormal: pushNormal,
+				pushColor: pushColor,
+				pushUv: pushUv,
+				pushLine: pushLine,
+				pushTriangle: pushTriangle
+			};
+
+		}
+
+		const renderList = new RenderList();
+
+		function projectObject( object ) {
+
+			if ( object.visible === false ) return;
+
+			if ( object.isLight ) {
+
+				_renderData.lights.push( object );
+
+			} else if ( object.isMesh || object.isLine || object.isPoints ) {
+
+				if ( object.material.visible === false ) return;
+				if ( object.frustumCulled === true && _frustum.intersectsObject( object ) === false ) return;
+
+				addObject( object );
+
+			} else if ( object.isSprite ) {
+
+				if ( object.material.visible === false ) return;
+				if ( object.frustumCulled === true && _frustum.intersectsSprite( object ) === false ) return;
+
+				addObject( object );
+
+			}
+
+			const children = object.children;
+
+			for ( let i = 0, l = children.length; i < l; i ++ ) {
+
+				projectObject( children[ i ] );
+
+			}
+
+		}
+
+		function addObject( object ) {
+
+			_object = getNextObjectInPool();
+			_object.id = object.id;
+			_object.object = object;
+
+			_vector3.setFromMatrixPosition( object.matrixWorld );
+			_vector3.applyMatrix4( _viewProjectionMatrix );
+			_object.z = _vector3.z;
+			_object.renderOrder = object.renderOrder;
+
+			_renderData.objects.push( _object );
+
+		}
+
+		this.projectScene = function ( scene, camera, sortObjects, sortElements ) {
+
+			_faceCount = 0;
+			_lineCount = 0;
+			_spriteCount = 0;
+
+			_renderData.elements.length = 0;
+
+			if ( scene.matrixWorldAutoUpdate === true ) scene.updateMatrixWorld();
+			if ( camera.parent === null && camera.matrixWorldAutoUpdate === true ) camera.updateMatrixWorld();
+
+			_viewMatrix.copy( camera.matrixWorldInverse );
+			_viewProjectionMatrix.multiplyMatrices( camera.projectionMatrix, _viewMatrix );
+
+			_frustum.setFromProjectionMatrix( _viewProjectionMatrix );
+
+			//
+
+			_objectCount = 0;
+
+			_renderData.objects.length = 0;
+			_renderData.lights.length = 0;
+
+			projectObject( scene );
+
+			if ( sortObjects === true ) {
+
+				_renderData.objects.sort( painterSort );
+
+			}
+
+			//
+
+			const objects = _renderData.objects;
+
+			for ( let o = 0, ol = objects.length; o < ol; o ++ ) {
+
+				const object = objects[ o ].object;
+				const geometry = object.geometry;
+
+				renderList.setObject( object );
+
+				_modelMatrix = object.matrixWorld;
+
+				_vertexCount = 0;
+
+				if ( object.isMesh ) {
+
+					let material = object.material;
+
+					const isMultiMaterial = Array.isArray( material );
+
+					const attributes = geometry.attributes;
+					const groups = geometry.groups;
+
+					if ( attributes.position === undefined ) continue;
+
+					const positions = attributes.position.array;
+
+					for ( let i = 0, l = positions.length; i < l; i += 3 ) {
+
+						let x = positions[ i ];
+						let y = positions[ i + 1 ];
+						let z = positions[ i + 2 ];
+
+						const morphTargets = geometry.morphAttributes.position;
+
+						if ( morphTargets !== undefined ) {
+
+							const morphTargetsRelative = geometry.morphTargetsRelative;
+							const morphInfluences = object.morphTargetInfluences;
+
+							for ( let t = 0, tl = morphTargets.length; t < tl; t ++ ) {
+
+								const influence = morphInfluences[ t ];
+
+								if ( influence === 0 ) continue;
+
+								const target = morphTargets[ t ];
+
+								if ( morphTargetsRelative ) {
+
+									x += target.getX( i / 3 ) * influence;
+									y += target.getY( i / 3 ) * influence;
+									z += target.getZ( i / 3 ) * influence;
+
+								} else {
+
+									x += ( target.getX( i / 3 ) - positions[ i ] ) * influence;
+									y += ( target.getY( i / 3 ) - positions[ i + 1 ] ) * influence;
+									z += ( target.getZ( i / 3 ) - positions[ i + 2 ] ) * influence;
+
+								}
+
+							}
+
+						}
+
+						renderList.pushVertex( x, y, z );
+
+					}
+
+					if ( attributes.normal !== undefined ) {
+
+						const normals = attributes.normal.array;
+
+						for ( let i = 0, l = normals.length; i < l; i += 3 ) {
+
+							renderList.pushNormal( normals[ i ], normals[ i + 1 ], normals[ i + 2 ] );
+
+						}
+
+					}
+
+					if ( attributes.color !== undefined ) {
+
+						const colors = attributes.color.array;
+
+						for ( let i = 0, l = colors.length; i < l; i += 3 ) {
+
+							renderList.pushColor( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] );
+
+						}
+
+					}
+
+					if ( attributes.uv !== undefined ) {
+
+						const uvs = attributes.uv.array;
+
+						for ( let i = 0, l = uvs.length; i < l; i += 2 ) {
+
+							renderList.pushUv( uvs[ i ], uvs[ i + 1 ] );
+
+						}
+
+					}
+
+					if ( geometry.index !== null ) {
+
+						const indices = geometry.index.array;
+
+						if ( groups.length > 0 ) {
+
+							for ( let g = 0; g < groups.length; g ++ ) {
+
+								const group = groups[ g ];
+
+								material = isMultiMaterial === true
+									 ? object.material[ group.materialIndex ]
+									 : object.material;
+
+								if ( material === undefined ) continue;
+
+								for ( let i = group.start, l = group.start + group.count; i < l; i += 3 ) {
+
+									renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ], material );
+
+								}
+
+							}
+
+						} else {
+
+							for ( let i = 0, l = indices.length; i < l; i += 3 ) {
+
+								renderList.pushTriangle( indices[ i ], indices[ i + 1 ], indices[ i + 2 ], material );
+
+							}
+
+						}
+
+					} else {
+
+						if ( groups.length > 0 ) {
+
+							for ( let g = 0; g < groups.length; g ++ ) {
+
+								const group = groups[ g ];
+
+								material = isMultiMaterial === true
+									 ? object.material[ group.materialIndex ]
+									 : object.material;
+
+								if ( material === undefined ) continue;
+
+								for ( let i = group.start, l = group.start + group.count; i < l; i += 3 ) {
+
+									renderList.pushTriangle( i, i + 1, i + 2, material );
+
+								}
+
+							}
+
+						} else {
+
+							for ( let i = 0, l = positions.length / 3; i < l; i += 3 ) {
+
+								renderList.pushTriangle( i, i + 1, i + 2, material );
+
+							}
+
+						}
+
+					}
+
+				} else if ( object.isLine ) {
+
+					_modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
+
+					const attributes = geometry.attributes;
+
+					if ( attributes.position !== undefined ) {
+
+						const positions = attributes.position.array;
+
+						for ( let i = 0, l = positions.length; i < l; i += 3 ) {
+
+							renderList.pushVertex( positions[ i ], positions[ i + 1 ], positions[ i + 2 ] );
+
+						}
+
+						if ( attributes.color !== undefined ) {
+
+							const colors = attributes.color.array;
+
+							for ( let i = 0, l = colors.length; i < l; i += 3 ) {
+
+								renderList.pushColor( colors[ i ], colors[ i + 1 ], colors[ i + 2 ] );
+
+							}
+
+						}
+
+						if ( geometry.index !== null ) {
+
+							const indices = geometry.index.array;
+
+							for ( let i = 0, l = indices.length; i < l; i += 2 ) {
+
+								renderList.pushLine( indices[ i ], indices[ i + 1 ] );
+
+							}
+
+						} else {
+
+							const step = object.isLineSegments ? 2 : 1;
+
+							for ( let i = 0, l = ( positions.length / 3 ) - 1; i < l; i += step ) {
+
+								renderList.pushLine( i, i + 1 );
+
+							}
+
+						}
+
+					}
+
+				} else if ( object.isPoints ) {
+
+					_modelViewProjectionMatrix.multiplyMatrices( _viewProjectionMatrix, _modelMatrix );
+
+					const attributes = geometry.attributes;
+
+					if ( attributes.position !== undefined ) {
+
+						const positions = attributes.position.array;
+
+						for ( let i = 0, l = positions.length; i < l; i += 3 ) {
+
+							_vector4.set( positions[ i ], positions[ i + 1 ], positions[ i + 2 ], 1 );
+							_vector4.applyMatrix4( _modelViewProjectionMatrix );
+
+							pushPoint( _vector4, object, camera );
+
+						}
+
+					}
+
+				} else if ( object.isSprite ) {
+
+					object.modelViewMatrix.multiplyMatrices( camera.matrixWorldInverse, object.matrixWorld );
+					_vector4.set( _modelMatrix.elements[ 12 ], _modelMatrix.elements[ 13 ], _modelMatrix.elements[ 14 ], 1 );
+					_vector4.applyMatrix4( _viewProjectionMatrix );
+
+					pushPoint( _vector4, object, camera );
+
+				}
+
+			}
+
+			if ( sortElements === true ) {
+
+				_renderData.elements.sort( painterSort );
+
+			}
+
+			return _renderData;
+
+		};
+
+		function pushPoint( _vector4, object, camera ) {
+
+			const invW = 1 / _vector4.w;
+
+			_vector4.z *= invW;
+
+			if ( _vector4.z >= - 1 && _vector4.z <= 1 ) {
+
+				_sprite = getNextSpriteInPool();
+				_sprite.id = object.id;
+				_sprite.x = _vector4.x * invW;
+				_sprite.y = _vector4.y * invW;
+				_sprite.z = _vector4.z;
+				_sprite.renderOrder = object.renderOrder;
+				_sprite.object = object;
+
+				_sprite.rotation = object.rotation;
+
+				_sprite.scale.x = object.scale.x * Math.abs( _sprite.x - ( _vector4.x + camera.projectionMatrix.elements[ 0 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 12 ] ) );
+				_sprite.scale.y = object.scale.y * Math.abs( _sprite.y - ( _vector4.y + camera.projectionMatrix.elements[ 5 ] ) / ( _vector4.w + camera.projectionMatrix.elements[ 13 ] ) );
+
+				_sprite.material = object.material;
+
+				_renderData.elements.push( _sprite );
+
+			}
+
+		}
+
+		// Pools
+
+		function getNextObjectInPool() {
+
+			if ( _objectCount === _objectPoolLength ) {
+
+				const object = new RenderableObject();
+				_objectPool.push( object );
+				_objectPoolLength ++;
+				_objectCount ++;
+				return object;
+
+			}
+
+			return _objectPool[ _objectCount ++ ];
+
+		}
+
+		function getNextVertexInPool() {
+
+			if ( _vertexCount === _vertexPoolLength ) {
+
+				const vertex = new RenderableVertex();
+				_vertexPool.push( vertex );
+				_vertexPoolLength ++;
+				_vertexCount ++;
+				return vertex;
+
+			}
+
+			return _vertexPool[ _vertexCount ++ ];
+
+		}
+
+		function getNextFaceInPool() {
+
+			if ( _faceCount === _facePoolLength ) {
+
+				const face = new RenderableFace();
+				_facePool.push( face );
+				_facePoolLength ++;
+				_faceCount ++;
+				return face;
+
+			}
+
+			return _facePool[ _faceCount ++ ];
+
+
+		}
+
+		function getNextLineInPool() {
+
+			if ( _lineCount === _linePoolLength ) {
+
+				const line = new RenderableLine();
+				_linePool.push( line );
+				_linePoolLength ++;
+				_lineCount ++;
+				return line;
+
+			}
+
+			return _linePool[ _lineCount ++ ];
+
+		}
+
+		function getNextSpriteInPool() {
+
+			if ( _spriteCount === _spritePoolLength ) {
+
+				const sprite = new RenderableSprite();
+				_spritePool.push( sprite );
+				_spritePoolLength ++;
+				_spriteCount ++;
+				return sprite;
+
+			}
+
+			return _spritePool[ _spriteCount ++ ];
+
+		}
+
+		//
+
+		function painterSort( a, b ) {
+
+			if ( a.renderOrder !== b.renderOrder ) {
+
+				return a.renderOrder - b.renderOrder;
+
+			} else if ( a.z !== b.z ) {
+
+				return b.z - a.z;
+
+			} else if ( a.id !== b.id ) {
+
+				return a.id - b.id;
+
+			} else {
+
+				return 0;
+
+			}
+
+		}
+
+		function clipLine( s1, s2 ) {
+
+			let alpha1 = 0, alpha2 = 1;
+
+			// Calculate the boundary coordinate of each vertex for the near and far clip planes,
+			// Z = -1 and Z = +1, respectively.
+
+			const bc1near = s1.z + s1.w,
+				bc2near = s2.z + s2.w,
+				bc1far = - s1.z + s1.w,
+				bc2far = - s2.z + s2.w;
+
+			if ( bc1near >= 0 && bc2near >= 0 && bc1far >= 0 && bc2far >= 0 ) {
+
+				// Both vertices lie entirely within all clip planes.
+				return true;
+
+			} else if ( ( bc1near < 0 && bc2near < 0 ) || ( bc1far < 0 && bc2far < 0 ) ) {
+
+				// Both vertices lie entirely outside one of the clip planes.
+				return false;
+
+			} else {
+
+				// The line segment spans at least one clip plane.
+
+				if ( bc1near < 0 ) {
+
+					// v1 lies outside the near plane, v2 inside
+					alpha1 = Math.max( alpha1, bc1near / ( bc1near - bc2near ) );
+
+				} else if ( bc2near < 0 ) {
+
+					// v2 lies outside the near plane, v1 inside
+					alpha2 = Math.min( alpha2, bc1near / ( bc1near - bc2near ) );
+
+				}
+
+				if ( bc1far < 0 ) {
+
+					// v1 lies outside the far plane, v2 inside
+					alpha1 = Math.max( alpha1, bc1far / ( bc1far - bc2far ) );
+
+				} else if ( bc2far < 0 ) {
+
+					// v2 lies outside the far plane, v2 inside
+					alpha2 = Math.min( alpha2, bc1far / ( bc1far - bc2far ) );
+
+				}
+
+				if ( alpha2 < alpha1 ) {
+
+					// The line segment spans two boundaries, but is outside both of them.
+					// (This can't happen when we're only clipping against just near/far but good
+					//  to leave the check here for future usage if other clip planes are added.)
+					return false;
+
+				} else {
+
+					// Update the s1 and s2 vertices to match the clipped line segment.
+					s1.lerp( s2, alpha1 );
+					s2.lerp( s1, 1 - alpha2 );
+
+					return true;
+
+				}
+
+			}
+
+		}
+
+	}
+
+}
+
+export { RenderableObject, RenderableFace, RenderableVertex, RenderableLine, RenderableSprite, Projector };

public/assets/lib/vendor/three/TextGeometry.js

@@ -0,0 +1,65 @@
+/**
+ * Text = 3D Text
+ *
+ * parameters = {
+ *  font: <THREE.Font>, // font
+ *
+ *  size: <float>, // size of the text
+ *  depth: <float>, // thickness to extrude text
+ *  curveSegments: <int>, // number of points on the curves
+ *
+ *  bevelEnabled: <bool>, // turn on bevel
+ *  bevelThickness: <float>, // how deep into text bevel goes
+ *  bevelSize: <float>, // how far from text outline (including bevelOffset) is bevel
+ *  bevelOffset: <float> // how far from text outline does bevel start
+ * }
+ */
+
+import {
+	ExtrudeGeometry
+} from './three.module.js';
+
+class TextGeometry extends ExtrudeGeometry {
+
+	constructor( text, parameters = {} ) {
+
+		const font = parameters.font;
+
+		if ( font === undefined ) {
+
+			super(); // generate default extrude geometry
+
+		} else {
+
+			const shapes = font.generateShapes( text, parameters.size );
+
+			// translate parameters to ExtrudeGeometry API
+
+			if ( parameters.depth === undefined && parameters.height !== undefined ) {
+
+				console.warn( 'THREE.TextGeometry: .height is now depreciated. Please use .depth instead' ); // @deprecated, r163
+
+			}
+
+			parameters.depth = parameters.depth !== undefined ?
+				parameters.depth : parameters.height !== undefined ?
+					parameters.height : 50;
+
+			// defaults
+
+			if ( parameters.bevelThickness === undefined ) parameters.bevelThickness = 10;
+			if ( parameters.bevelSize === undefined ) parameters.bevelSize = 8;
+			if ( parameters.bevelEnabled === undefined ) parameters.bevelEnabled = false;
+
+			super( shapes, parameters );
+
+		}
+
+		this.type = 'TextGeometry';
+
+	}
+
+}
+
+
+export { TextGeometry };

public/assets/pages/viewerpage/application_3d/init.js

@@ -15,11 +15,11 @@ import { Rhino3dmLoader } from "../../../lib/vendor/three/3DMLoader.js";
 export default function({ $page, $menubar, mesh, refresh, mime }) {
     // setup the dom
     const renderer = new THREE.WebGLRenderer({ antialias: true, shadowMapEnabled: true });
-    renderer.setSize($page.clientWidth, $page.clientHeight);
-    renderer.setPixelRatio(window.devicePixelRatio);
-    renderer.setClearColor(0xf5f5f5);
     renderer.shadowMap.enabled = true;
     renderer.shadowMap.type = THREE.PCFSoftShadowMap;
+    renderer.setClearColor(0xf5f5f5);
+    renderer.setSize($page.clientWidth, $page.clientHeight);
+    renderer.setPixelRatio(window.devicePixelRatio);
     $page.appendChild(renderer.domElement);
 
     // center everything
@@ -30,6 +30,7 @@ export default function({ $page, $menubar, mesh, refresh, mime }) {
 
     // setup the scene, camera and controls
     const scene = new THREE.Scene();
+    scene.background = new THREE.Color(0xf2f2f4);
     const camera = new THREE.PerspectiveCamera(
         45,
         $page.clientWidth / $page.clientHeight,
@@ -37,15 +38,22 @@ export default function({ $page, $menubar, mesh, refresh, mime }) {
         maxDim * 1000,
     );
     const controls = new OrbitControls(camera, renderer.domElement);
-    if (is2D(mime)) controls.enableRotate = false;
+    controls.zoomToCursor = true;
+    if (is2D(mime)) {
+        controls.enableRotate = false;
+        controls.mouseButtons = {
+            LEFT: THREE.MOUSE.PAN,
+            MIDDLE: THREE.MOUSE.DOLLY,
+            RIGHT: THREE.MOUSE.ORBIT
+        };
+    }
 
     scene.add(mesh);
     mesh.castShadow = true;
     mesh.receiveShadow = true;
-    camera.position.set(center.x, center.y, center.z + maxDim * 1.8);
+    camera.position.set(center.x, center.y, center.z + maxDim * (is2D(mime) ? 1.3 : 1.8));
     controls.target.copy(center);
 
-    // enable animation if present
     const mixer = new THREE.AnimationMixer(mesh);
     if (mesh.animations.length > 0) {
         const ICON = {
@@ -83,7 +91,7 @@ export default function({ $page, $menubar, mesh, refresh, mime }) {
 }
 
 export function is2D(mime) {
-    return ["image/svg+xml"].indexOf(mime) !== -1;
+    return ["image/svg+xml", "application/acad"].indexOf(mime) !== -1;
 }
 
 export function getLoader(mime) {
@@ -93,6 +101,7 @@ export function getLoader(mime) {
         return [
             new OBJLoader(),
             (obj) => {
+                obj.name = "All";
                 obj.traverse((child) => {
                     if (child.isMesh) {
                         child.material = new THREE.MeshPhongMaterial({
@@ -130,30 +139,65 @@ export function getLoader(mime) {
             return new THREE.Mesh(geometry, material);
         }];
     case "image/svg+xml":
-        return [new SVGLoader(), (obj) => {
+        const createMaterial = (color, opacity = 1) => new THREE.MeshBasicMaterial({
+            color: new THREE.Color().setStyle(color),
+            opacity,
+            transparent: true,
+            side: THREE.DoubleSide,
+            depthWrite: false,
+            wireframe: false,
+        });
+        const threecolor = (color) => {
+            if (color && color.substr && color.substr(0, 4) === "RGB(") {
+                function componentToHex(c) {
+                    const hex = c.toString(16);
+                    return hex.length === 1 ? "0" + hex : hex;
+                }
+                const [r, g, b] = color.replace(/^RGB\(/, "").replace(/\)/, "").split(",").map((i) => parseInt(i));
+                return "#" + componentToHex(r) + componentToHex(g) + componentToHex(b);
+            }
+            return color;
+        };
+        return [new SVGLoader(), (data) => {
             const group = new THREE.Group();
-            for (let i=0; i<obj.paths.length; i++) {
-                const path = obj.paths[i];
-                const material = new THREE.MeshBasicMaterial({
-                    color: path.color,
-                    side: THREE.DoubleSide,
-                    depthWrite: false
-                });
-                const shapes = SVGLoader.createShapes(path);
-                for (let j=0; j<shapes.length; j++) {
-                    const shape = shapes[j];
-                    const geometry = new THREE.ShapeGeometry(shape);
-                    const mesh = new THREE.Mesh(geometry, material);
-                    group.add(mesh);
+            group.name = "All";
+            group.scale.y *= -1;
+            let renderOrder = 0;
+            for (const path of data.paths) {
+                const fillColor = threecolor(path.userData.style.fill);
+                if (fillColor !== undefined && fillColor !== "none") {
+                    const material = createMaterial(
+                        fillColor,
+                        path.userData.style.fillOpacity,
+                    );
+                    const shapes = SVGLoader.createShapes(path);
+                    for (const shape of shapes) {
+                        const mesh = new THREE.Mesh(
+                            new THREE.ShapeGeometry(shape),
+                            material,
+                        );
+                        mesh.renderOrder = renderOrder++;
+                        group.add(mesh);
+                    }
+                }
+                const strokeColor = threecolor(path.userData.style.stroke);
+                if (strokeColor !== undefined && strokeColor !== "none") {
+                    const material = createMaterial(strokeColor);
+                    for (const subPath of path.subPaths) {
+                        const geometry = SVGLoader.pointsToStroke(subPath.getPoints(), path.userData.style);
+                        if (geometry) {
+                            const mesh = new THREE.Mesh(geometry, material);
+                            mesh.renderOrder = renderOrder++;
+                            group.add(mesh);
+                        }
+                    }
                 }
             }
             return group;
         }];
     case "application/fbx":
         return [new FBXLoader(), (obj) => {
-            obj.traverse((child) => {
-                // console.log(child);
-            });
+            obj.name = "All";
             return obj;
         }];
     default: